/Engine/Source/Editor/AnimGraph/Public/AnimGraphNode_BlendSpaceGraphBase.h
Helper function for AddGraph/ReplaceGraph - builds the new graph but doesn't add it to Graphs array.
[UAnimationBlendSpaceSampleGraph](API\Editor\AnimGraph\UAnimationBlendSpaceSampleGraph) * AddGraphInternal ( [FName](API\Runtime\Core\UObject\FName) InSampleName, [UAnimSequence](API\Runtime\Engine\Animation\UAnimSequence) * InSequence )